This tool from Gibraltar hardware allows you to cut your own portholes into your bass drum resonant head. You can easily cut 4" & 6" port holes and protect them with Gibraltar's 4" & 6" protector rings (not included).
$ 12.53
$ 0.00
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This tool from Gibraltar hardware allows you to cut your own portholes into your bass drum resonant head. You can easily cut 4" & 6" port holes and protect them with Gibraltar's 4" & 6" protector rings (not included).
$ 28.78
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